Home / 107,928.78-161,892.63-29,036.58

Finding the Fourth Proportional to 107,928.78, 161,892.63 and 29,036.58

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Solution

The fourth proportional to 107,928.78, 161,892.63 and 29,036.58 is: 43,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.78 : 161,892.63 = 29,036.58 : x
  2. Step 2: Convert to fraction form
    107,928.78/161,892.63 = 29,036.58/x
  3. Step 3: Cross multiply
    107,928.78x = 161,892.63 × 29,036.58
  4. Step 4: Simplify right side
    107,928.78x = 4,700,808,302.41
  5. Step 5: Solve for x
    x = 4,700,808,302.41/107,928.78
  6. Step 6: Final answer
    x = 43,554.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.